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What's the best way to store Phone number in Django models
...orms.RegexField(regex=r'^\+?1?\d{9,15}$',
error_message = ("Phone number must be entered in the format: '+999999999'. Up to 15 digits allowed."))
EDIT
It appears that this post has been useful to some folks, and it seems worth it to integrate the comment below ...
Is DateTime.Now the best way to measure a function's performance?
...ass/method. The StopWatch class does not need to be Disposed or Stopped on error. So, the simplest code to time some action is
public partial class With
{
public static long Benchmark(Action action)
{
var stopwatch = Stopwatch.StartNew();
action();
stopwatch.Stop();...
How to reload/refresh an element(image) in jQuery
... line just to verify the event is actually firing. The event fires with no errors.
– Alexis Abril
Jan 21 '10 at 16:14
3
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maximum value of int
...s> and int imax = std::numeric_limits<int>::max();, but I get the error Can't resolve struct member 'max'. Any ideas as to why this occurs, and how to fix it? I am using CLion IDE, with CMake and C++ 11 on Ubuntu 14.04. I think it is linked to this issue
– modulitos
...
Android file chooser [closed]
...nager.NameNotFoundException e ){
showInstallResultMessage(R.string.error_install_andexplorer);
} catch (Exception e) {
Log.w(TAG, e.getMessage());
}
}
This methos is just pick up a dialog and if user wants install the external application from market
private void showInsta...
How to return 2 values from a Java method?
I am trying to return 2 values from a Java method but I get these errors. Here is my code:
14 Answers
...
Backup/Restore a dockerized PostgreSQL database
... for a bit before figuring it out- as I was receiving the following docker error.
read unix @->/var/run/docker.sock: read: connection reset by peer
This can be caused by the file /var/lib/docker/network/files/local-kv.db .I don't know the accuracy of this statement: but I believe I was seeing...
How do I scale a stubborn SVG embedded with the tag?
...
This gave me: Security error: attempted to read protected variable
– Zitrax
Nov 15 '11 at 13:43
1
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...e服务器，能通过，但是编译过程报错：
RequestTooLargeError 可能指的是事务任务列表的大小以及数据存储实体的大小，
不能超过 1 MB。您要添加的任务加上数据的总大小是多少？https://community.appinventor.mi ... g-ai2-locally/61743accept...
Vagrant's port forwarding not working [closed]
...p://localhost:4567/' from your host machine. Curl might give you a better error message than Safari.
I'd check that there are no firewalls set up restricting access to port 80. The default Vagrant VM (Ubuntu) doesn't come with a firewall set up, but you said you're using something else, so it mig...